A collection of other objects that do not need to be the same datatype. The are simply a range of pointers, that do not automatically update when the pointed-to value changes.
<3.9 Lists
Before python 3.9, to make a list, you would need to use the Python typing library. Lists are Polymorphic
from typing import List
def get_total(values : List[int]) --> int:
sum = 0
for i in values:
sum += i
return sum